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Normally, using the remote key should shut off the alarm on a Cadillac Catera. In the case that something is wrong with the remote, one can pull the fuse for the horn or unhook the battery momentarily.
Disconnect the battery or pull the fuse to the horn then have an auto tech correct the problem.
if you have a factory alarm..you will need a power remote to reset the alarm. or you can reset the alarm be using the key in any of the door locks or in the rear hatch lock . just cycle the key to the unlock position to shut alarm off. to reset alarm to armed use the door lock power switch to lock the door then shut door and alarm will reset to on .
The alarm brain is located in the rear of the SUV, in the jack compartment. You can disable it temporarily by removing the horn fuse, or by unplugging the harness from the brain. Unfortunatly the latter will cut your interior lights, but at least your horn won't sound off everytime you shut off your truck.
It sounds like the security alarm is stuck. While this is happening take the key out of the ignition and shut the drivers door, then lock and unlock it with the key. If the problem stops even for a minute then the alarm is the problem.
Press the panic button one more time and it will shut off.
the factory alarm is set
If your alarm is sounding (horn honking/lights flashing) press the panic button on your key fob to shut it off. Otherwise, the alarm is disarmed when you unlock your door(s) by using your key, keypad on the driver's door, or the unlock button on your key fob.
If the horn is honking and the lights are flashing just push the panic button on the remote to stop it
If your anti - theft system is sounding (horn honking/lights flashing) you can shut it off by pressing the panic button on your key fob.
If the alarm is sounding (horn honking/lights flashing) you push the panic button on your key fob to shut it off. The alarm is disarmed when you unlock your door(s) by using the key, keyless entry pad, or the unlock button on your key fob.
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